I'm with him...

... except a bit more radical: they can say what they want; it'll always be a planet. Pluto is the planet where Virgil Samms met Pilinixi the Dexitroboper; where Kip and Peewee rescued the Mother Thing from Wormface.

I've already given up Martian Canals, and hot, steamy Venus, but you gotta draw the line somewhere.